Node.js Express Upload/Download file Rest API

For more detail, please visit:

Node.js Express File Upload Rest API example

Node.js Express Download File Rest API example

Node.js Express Delete File Rest API example

Node.js Express File Upload with Google Cloud Storage example

Node Express File Upload to MongoDB example

Front-end Apps to work with this Node.js Server:

• Angular 8 / Angular 10 / Angular 11 / Angular 12 / Angular 13 / Angular 14 / Angular 15 / Angular 16 Client

• Angular Material 12 / Angular Material 14 / Angular Material 15 / Angular Material 16

• Vue Client / Vuetify Client

• React Client / React Hooks Client

• Material UI Client

More Practice:

Node.js: Upload/Import Excel file data into Database

Node.js: Upload/Import CSV file data into Database

Node.js Rest APIs example with Express & MySQL

Node.js Rest APIs example with Express & PostgreSQL

Node.js Rest APIs example with Express & MongoDB

Node.js JWT Authentication & Authorization example

Deploying/Hosting Node.js app on Heroku with MySQL database

Integration (run back-end & front-end on same server/port)

Integrate React with Node.js Restful Services

Integrate Angular with Node.js Restful Services

Integrate Vue with Node.js Restful Services

Project setup

npm install

Run

node server.js


### update
node 16.18.0
修改node_modules/multer/storage/disk.js

DiskStorage.prototype._handleFile = function _handleFile (req, file, cb) {
  var that = this

  that.getDestination(req, file, function (err, destination) {
    if (err) return cb(err)

    that.getFilename(req, file, function (err, filename) {
      if (err) return cb(err)

      var fsHash = crypto.createHash('sha256')
      var finalPath = path.join(destination, filename)
      var outStream = fs.createWriteStream(finalPath)
      file.stream.pipe(outStream)
      outStream.on('error', cb)
      file.stream.on('data', function (data) {
        fsHash.update(data)
      })
      outStream.on('finish', function () {
        var newfilename = fsHash.digest('hex') + path.extname(filename)
        if(fs.existsSync(path.join(destination, newfilename))){
          fs.unlinkSync(finalPath)
        }else{
          fs.renameSync(finalPath, path.join(destination, newfilename))
        }
        return cb(null, {
          destination: destination,
          filename: newfilename,
          path: finalPath,
          size: outStream.bytesWritten
        })
      })
    })
  })
}

`